Defence chief warns of copycat attacks

AUSTRALIA'S Defence Force chief has warned soldiers to be on alert for potential copycat attacks following the brutal murder of a British soldier on the streets of London.

General David Hurley has written to all defence personnel asking them to be more security conscious.

"I need you to be alert, not alarmed," the memo said.

"Although there is no evidence of similar threats to ADF or defence personnel there is the possibility of further copycat attacks."

The memo also referred to a potential copycat attack on May 25 when a uniformed French soldier on a patrol in Paris was stabbed in the neck.

General Hurley urged personnel to be extra vigilant and aware of personal security, particularly when off base and in uniform.

"You should exercise sensible security precautions, such as avoiding known or likely trouble spots, and take extra care in what you reveal about yourself and your planned activities in social media," General Hurley said.